monitor - ImageMagick Progress Monitor Methods
void MagickMonitor( const char *text, const off_t quantum, const off_t span );
MonitorHandler SetMonitorHandler( MonitorHandler handler );
MagickMonitor() calls the monitor handler method with a text string that describes the task and a measure of completion.
The format of the MagickMonitor method is:
void MagickMonitor ( const char *text, const off_t quantum, const off_t span );
A description of each parameter follows:
SetMonitorHandler() sets the monitor handler to the specified method and returns the previous monitor handler.
The format of the SetMonitorHandler method is:
MonitorHandler SetMonitorHandler ( MonitorHandler handler );
A description of each parameter follows: